Finding the Fourth Proportional to 10,427,281.68, 15,629,973.70 and 3,508,359.15
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Solution
The fourth proportional to 10,427,281.68, 15,629,973.70 and 3,508,359.15 is: 5,258,854.89
Step by Step Solution
- Step 1: Write the proportion equation
10,427,281.68 : 15,629,973.70 = 3,508,359.15 : x - Step 2: Convert to fraction form
10,427,281.68/15,629,973.70 = 3,508,359.15/x - Step 3: Cross multiply
10,427,281.68x = 15,629,973.70 × 3,508,359.15 - Step 4: Simplify right side
10,427,281.68x = 54,835,561,271,637.24 - Step 5: Solve for x
x = 54,835,561,271,637.24/10,427,281.68 - Step 6: Final answer
x = 5,258,854.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.